Sharma, S. K., and B. N. Gupta. 1984. “Effect of Formaldehyde Treatment of Groundnut Cake on the Solubility, <i>In Vitro</I> Ammonia Release and Degradability of Its Protein in the Rumen”. The Indian Journal of Nutrition and Dietetics 21 (2):58-68. http://www.informaticsjournals.com/index.php/ijnd/article/view/13403.